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Analysis of Immunosuppression and Antioxidant Damage in Diploid and Triploid Crucian Carp () Induced by Saline-Alkaline Environmental Stress: From Metabolomic Insight.
Metabolites
December 2024
Laboratory of Quality & Safety Risk Assessment for Aquatic Products, Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Ministry of Agriculture and Rural Areas, Harbin 150070, China.
The salinization of the water environment worldwide is increasing, which has brought great challenges to the sustainability of fish farming of aquatic animals. Three NaHCO concentration groups (0 mmol/L, 20 mmol/L, and 60 mmol/L) were set up in this study to investigate growth and metabolic differences between diploid and triploid crucian carp under saline-alkaline stresses. This study utilized UPLC-QTOF/MS metabolomics to analyze significant metabolites and metabolic pathways in the serum of diploid and triploid crucian carp, exposing them to different NaHCO concentrations in saline-alkaline habitats, elucidating the mechanism of their metabolic differences.
View Article and Find Full Text PDFEstablishment and Characterization of Bisexually Fertile Triploid Dwarf Surf Clam Mulinia lateralis.
Mar Biotechnol (NY)
December 2024
MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China.
Triploids are widely used to rapidly achieve genetic improvements of organisms due to their fast growth and enhanced environmental adaptability. Artificially induced triploids are generally considered to be infertile owing to the obvious inhibition of gonadal development. Recently, some fertile individuals with reduced advantages have been found in triploid bivalves, which is a notable deviation from the original intention of artificially inducing triploids.
View Article and Find Full Text PDFProduction of sterile trout (Triploids) by chromosome set manipulation using thermal shock treatment in rainbow trout () from Kashmir Himalayas.
Zygote
December 2024
Division of Aquatic Environmental Management, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Srinagar, India.
Rainbow trout () is a promising cultivable fish species with significant potential for expansion. As a cold-water fish belonging to the Salmonidae family, it requires an optimal temperature range of 10-15°C for optimal growth. This study explores a method for producing sterile rainbow trout with maximum survival rates by using heat shock treatment to enhance growth characteristics and improve aquaculture practices.
View Article and Find Full Text PDFA case of polyploid utility in biocontrol: reproductively-impaired triploid Nasonia vitripennis have high host-killing ability.
Pest Manag Sci
December 2024
Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands.
Background: Intentionally impairing the fecundity of mass-reared insects has important utility in controlling pest species. Typically, sterilized individuals are competed against wild counterparts, reducing pest population size. A novel consideration is creating biocontrol agents with lower reproductive capacity that are less likely to establish permanently or admix with wild populations, which are both emerging as legal barriers.
View Article and Find Full Text PDFFatty acid profiles and tolerance to temperature extremes in Daphnia.
J Exp Biol
December 2024
Université du Québec à Rimouski, Département de biologie, Rimouski, Québec, G5L3A1, Canada.
Identification of physiological processes setting thermal tolerance limits is essential to describe adaptive response to temperature changes. We use the North American Daphnia pulex complex, which makes a remarkable model for comparative physiology as it is composed of clones differing in heat tolerance, ploidies and with a wide geographic distribution. The fatty acid composition of 18 diploid and triploid D.
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